21.   As for the case of the convicted rapist exonerated by modern science, attorney Schaffer sees a key difference from other pardon requests.

22.   A key difference between Powell and Reps. Watts and Franks is that the latter two are more socially conservative than Powell who, for example, supports abortion rights.

23.   A key difference between the two is that IBM is specifically targeting companies with large installed data-processing systems.

24.   A key difference is the welcome absence of the old Program Manager, the main window through which all others were reached.

25.   A key difference between buying stock through the plan versus your broker is that you buy in dollar amounts, not number of shares.

26.   A key difference between China and most other Asian countries is that its currency is not fully convertible and is therefore not vulnerable to speculative attacks.

27.   A key difference in the new experiment is that the MGH researchers gave McCourt a milder form of chemotherapy than would be given in a conventional transplant.

28.   A key difference is in the more sophisticated technology, which inserts local commercials on time and automatically and across several cable systems at once.

29.   A key difference is that the Senate bill does not apply to employees of the Roman Catholic Church or any other organization with religious objections to infertility treatments.

30.   A key difference, of course, is that McCain is so much more appealing to voters than his Texas rival.